Commit Graph

73 Commits

Author SHA1 Message Date
Clifford Wolf 1873480ca5 Added mul to mux conversion to "opt_const -fine" 2014-07-21 17:19:50 +02:00
Clifford Wolf 1241a9fd50 Added "opt_const -fine" and "opt_reduce -fine" 2014-07-21 16:34:16 +02:00
Clifford Wolf e035f1d886 Added opt_const support for simple identities 2014-07-21 14:41:02 +02:00
Clifford Wolf 309ae98246 Apply opt_reduce WR_EN opts to the whole mux tree driving the WR_EN port 2014-07-18 10:28:45 +02:00
Clifford Wolf 1b00861d0a Improved opt_reduce handling of mem wr_en mux bits 2014-07-17 12:12:04 +02:00
Clifford Wolf d678b6533d improved opt_reduce for $mem/$memwr WR_EN multiplexers 2014-07-16 14:08:51 +02:00
Clifford Wolf 68c059565a Fixed bug in opt_reduce (see vloghammer issue_044) 2014-05-12 12:45:47 +02:00
Clifford Wolf 9a34486bfb Fixed performance problem in opt_mux with nets driven by many conflicting drivers 2014-03-19 10:05:01 +01:00
Clifford Wolf 9b9c3327cc Fixed undef handling in opt_reduce 2014-03-06 14:18:34 +01:00
Clifford Wolf 9e99984336 Fixed const folding of $bu0 cells 2014-02-27 04:09:32 +01:00
Clifford Wolf 548519875b Fixed bug (typo) in passes/opt/opt_const.cc 2014-02-22 17:07:22 +01:00
Clifford Wolf 28e14ee50a Fixed handling of "keep" attribute on wires in opt_clean 2014-02-16 21:58:27 +01:00
Clifford Wolf 67effc9f5b Fixed opt_const handling of double invert with non-1 output width 2014-02-15 13:16:08 +01:00
Clifford Wolf 82c98bbbe6 Added opt -purge (frontend to opt_clean -purge) 2014-02-08 14:21:34 +01:00
Clifford Wolf 922d1c9520 Only count non-trivial attributes when findinf master signal in opt_clean 2014-02-08 14:21:04 +01:00
Clifford Wolf 274bcef66c Improved detection of primary wire for a signal in opt_clean 2014-02-07 23:50:17 +01:00
Clifford Wolf 594d52e0b6 Added opt_const -undriven 2014-02-06 15:49:03 +01:00
Clifford Wolf 99b9c56da1 Fixed detection of init attribute in opt_rmdff 2014-02-04 23:00:32 +01:00
Clifford Wolf ecdf1f5577 Improved handling of reg init in opt_share and opt_rmdff 2014-02-04 12:02:47 +01:00
Clifford Wolf de336d93b2 More opt_const -mux_bool features 2014-02-02 22:41:24 +01:00
Clifford Wolf 9d0b69edaa Added opt_const -mux_bool 2014-02-02 22:11:08 +01:00
Clifford Wolf bee4450c4c Added support for inverter chains to opt_const 2014-02-02 21:46:42 +01:00
Clifford Wolf 83fa652820 Added constant-clock case to opt_rmdff 2014-02-02 21:09:08 +01:00
Clifford Wolf 1e67099b77 Added $assert cell 2014-01-19 14:03:40 +01:00
Clifford Wolf 2e370d5a2f Added support for $adff with undef data inputs to opt_rmdff 2014-01-17 16:42:40 +01:00
Clifford Wolf 54275c61ee Added "opt_const -mux_undef" 2014-01-14 11:10:29 +01:00
Clifford Wolf bd39263796 Improved $_MUX_ handling in opt_const 2013-12-28 10:30:31 +01:00
Clifford Wolf d81e3ed3ae More conservastive $eq/$ne/$eqx/$nex opt_const code 2013-12-28 10:29:22 +01:00
Clifford Wolf c9699fe76d More $eq/$ne/$eqx/$nex fixes in opt_const 2013-12-27 15:18:14 +01:00
Clifford Wolf 7b02a44efb Fixed/improved opt_const $eq/$ne/$eqx/$nex handling 2013-12-27 14:21:24 +01:00
Clifford Wolf 369bf81a70 Added support for non-const === and !== (for miter circuits) 2013-12-27 14:20:15 +01:00
Clifford Wolf e5b974fa2a Cleanups and bugfixes in response to new internal cell checker 2013-11-11 00:39:45 +01:00
Clifford Wolf b04051a0e2 Fixed keep attribute on wires in opt_clean 2013-11-08 05:20:15 +01:00
Clifford Wolf 947bd9b96b Renamed extend_un0() to extend_u0() and use it in genrtlil 2013-11-07 18:17:10 +01:00
Clifford Wolf 0e1661f84e Fixed type of sign extension in opt_const $eq/$ne handling 2013-11-07 16:53:28 +01:00
Clifford Wolf db42a8f89b Fixed $eq/$ne bitwise optimization in opt_const 2013-11-07 11:54:59 +01:00
Clifford Wolf 1d34fd7608 Added support for "keep" attributes on wires 2013-11-05 15:52:29 +01:00
Clifford Wolf e679a5d046 Fixed handling of boolean attributes (passes) 2013-10-24 11:37:54 +02:00
Clifford Wolf 8cc53ef72c Only prefer connected signals iff they have public names 2013-10-17 22:10:55 +02:00
Clifford Wolf c20571ca5e Avoid re-arranging signals on register outputs 2013-10-17 20:48:40 +02:00
Clifford Wolf f5c0ed6c79 Fixed detection of major wires in opt_clean 2013-10-17 02:41:59 +02:00
Clifford Wolf 96e7abad48 Added iopadmap pass 2013-10-16 16:16:06 +02:00
Clifford Wolf a5836af172 Added "clean -purge" and ";;;" support 2013-08-11 13:59:14 +02:00
Clifford Wolf 080f0aac34 Added ";;" as shortcut for "; clean;" 2013-08-11 13:33:38 +02:00
Clifford Wolf 05483619f0 Some fixes to improve determinism 2013-08-09 12:42:32 +02:00
Clifford Wolf 8cd153612e Added "clean" command (less verbose opt_clean) 2013-08-08 10:53:37 +02:00
Clifford Wolf e729857647 Improved handling of private names in opt_clean and rename commands 2013-08-07 18:39:49 +02:00
Clifford Wolf a9fefc6ce1 Bugfixes for empty signal vectors 2013-07-10 12:52:29 +02:00
Clifford Wolf cf885c4a28 Added opt_clean -purge option 2013-07-07 12:59:30 +02:00
Clifford Wolf 0c0197cf45 Fixed handling of $eq and $ne in opt_const 2013-07-07 12:59:00 +02:00